Science

Wednesday, 28 October 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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NASA
In 1973 NASA launched the Skylab mission.
Its purpose was to set up the first American space station. Skylab successfully operated from May 14th, 1973 to July 11th, 1979, when it disintegrated into the atmosphere.
Aurora
To the naked eye, we see the Aurora Borealis and Aurora Australis lights as greenish and white. Full colors can only be seen in the photos.
This is because, in low light, the eye registers light with rods that are not color sensitive but respond only to light.
Anorexia Nervosa
Despite the literal translation of the term, the feeling of hunger is very often present in a person with this disorder.
Pathological control of this feeling, the need to eat, is a source of satisfaction for the patient.
Anorexia Nervosa
It is not yet known exactly which genes are responsible for the onset of mental anorexia nervosa.
However, it has been found that the disorder is highly heritable. Studies of twins have shown that t ...
Moon
The Moon's core consists of a solid part made mainly of iron and a semi-liquid part surrounding it.
The solid core has a diameter of 240 km and the semi-liquid core has a diameter of about 330 km.
Earth
Earth is a planet full of life. It is inhabited by approximately 11 million species, of which approximately 1.9 million have been described so far.
Below you will find a short list of the most important organisms along with the approximate number o ...
Enceladus
Enceladus was discovered by William Herschel on August 28, 1789.
Cosmos
The largest galaxy that has been spotted so far is IC 1101.
Located 1.04 billion light-years from Earth, this giant has a diameter of more than two million ligh ...
Anorexia Nervosa
Anorexia is the most common among young people and teenagers.
It is most common in girls and young women, although recently the disorder has been increasingly obs ...
Titan
In June 2027, NASA plans to send a Dragonfly mission to Titan.
It is to reach the surface of the moon in 2036 and, among other things, analyze the organic compound ...